CHAPTER 5: SOFTWARE ....................................................................... 33
INTRODUCTION........................................................................................... 33
RS-422 SYSTEMS ....................................................................................... 33
RS-485 DRIVER CONTROL .......................................................................... 33
RS-485 RECEIVER CONTROL....................................................................... 34
MASTER-SLAVE SYSTEMS ........................................................................... 34
Four Wire Master-Slave Systems............................................................ 34
Two Wire Master-Slave Systems............................................................. 34
MULTI-MASTER RS-485 SYSTEMS .............................................................. 35
SYSTEMS WITH PORT POWERED CONVERTERS .............................................. 35
CHAPTER 6: SELECTING RS-485 DEVICES ........................................ 36
CHAPTER 7: SOURCES OF FURTHER INFORMATION .................... 37
APPENDIX A: EIA SPECIFICATION SUMMARY ................................ 38
APPENDIX B: EIA STANDARD RS-423 DATA TRANSMISSION........ 40
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Table of Contents
RS-422/485 Application Note
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 434-7094